forked from Minki/linux
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
#ifndef __NVKM_INSTMEM_H__
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#define __NVKM_INSTMEM_H__
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#include <core/subdev.h>
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struct nvkm_instobj {
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struct nvkm_object base;
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struct list_head head;
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u32 *suspend;
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u64 addr;
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u32 size;
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};
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static inline struct nvkm_instobj *
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nv_memobj(void *obj)
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{
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#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
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BUG_ON(!nv_iclass(obj, NV_MEMOBJ_CLASS));
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#endif
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return obj;
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}
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struct nvkm_instmem {
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struct nvkm_subdev subdev;
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struct list_head list;
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u32 reserved;
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int (*alloc)(struct nvkm_instmem *, struct nvkm_object *,
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u32 size, u32 align, struct nvkm_object **);
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const struct nvkm_instmem_func *func;
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};
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struct nvkm_instmem_func {
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u32 (*rd32)(struct nvkm_instmem *, u32 addr);
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void (*wr32)(struct nvkm_instmem *, u32 addr, u32 data);
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};
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static inline struct nvkm_instmem *
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nvkm_instmem(void *obj)
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{
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/* nv04/nv40 impls need to create objects in their constructor,
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* which is before the subdev pointer is valid
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*/
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if (nv_iclass(obj, NV_SUBDEV_CLASS) &&
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nv_subidx(obj) == NVDEV_SUBDEV_INSTMEM)
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return obj;
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return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_INSTMEM);
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}
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extern struct nvkm_oclass *nv04_instmem_oclass;
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extern struct nvkm_oclass *nv40_instmem_oclass;
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extern struct nvkm_oclass *nv50_instmem_oclass;
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extern struct nvkm_oclass *gk20a_instmem_oclass;
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#endif
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